Instagram/Mark Hamill Celebrity Iconic Star Wars & Joker voice actor Mark Hamill headlines Fan Expo Anaheim 2026. Rare convention appearance with panels, autographs & photos. March 21, 2026 AceShowbiz - Mark Hamill remains one of the most iconic figures in pop culture, largely due to his unforgettable role as Luke Skywalker in the Star Wars saga. Beyond his live-action success, Hamill has built a significant legacy as a voice actor, most famously as the Joker in Batman: The Animated Series, where his portrayal redefined the character for generations.